/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/PersistentMeshSelection.h
Initializes a FGroupTopologySelection using the current contents of the object. The topology must already be initialized.
void ExtractIntoSelectionObject ( const [FGroupTopology](API\Plugins\DynamicMesh\FGroupTopology) & TopologyIn, [FGroupTopologySelection](API\Plugins\DynamicMesh\FGroupTopologySelection) & SelectionOut ) const